Smoking is very harmful to physical health, especially the lungs. Cigarettes contains many chemicals that can damage lung tissue and make it difficult to breathe. Smoking can also cause coughing and lung disease. It can increase the risk of heart problems because it can affect the blood flow. Overtime, smoking can weaken our immune system, making people get sick more easily.
Alcohol has negative effects on our body. Drinking alcohol can damage the liver, which can clean toxins from the blood. Too much alcohol can cause liver disease and reduce the body’s ability to function properly. Alcohol also affects our brain by slowing the reaction time. In addition, alcohol can disturb sleeping and make it harder for the body to stay healthy.
Marijuana also harms physical health, for the brain development. The teenager’s brain is still growing, and marijuana can affect the memory, attention, and learning ability. It can make it harder to focus on school and remember things that learned on classes. Using marijuana can cause breathing problems.
In conclusion, smoking, drinking alcohol, and using marijuana all have harmful effects on physical health. They damage important organs. So, by avoiding these, it helps people stay healthier.
